/* ppuzzl.works */
* { margin: 0; padding: 0; box-sizing: border-box; }
body { background: #ffffff; color: #111111; font-family: 'Inter', sans-serif; font-weight: 400; line-height: 1.6; position: relative; }
.grid-bg { position: fixed; inset: 0; background-image: repeating-linear-gradient(90deg, #e5e5e5 0px, #e5e5e5 1px, transparent 1px, transparent calc(100% / 12)); pointer-events: none; opacity: 0.4; }
.title { max-width: 700px; margin: 0 auto; padding: 5rem 2rem 3rem; position: relative; }
.red-accent { width: 40px; height: 3px; background: #dc2626; margin-bottom: 1rem; }
.brand { font-family: 'Space Grotesk', sans-serif; font-weight: 700; font-size: clamp(3rem, 7vw, 4.5rem); display: inline; }
.works-label { font-family: 'IBM Plex Mono', monospace; font-size: 0.7rem; letter-spacing: 0.15em; color: #737373; margin-left: 1rem; text-transform: uppercase; }
.cases { max-width: 700px; margin: 0 auto; padding: 0 2rem; }
.case { display: flex; gap: 2rem; padding: 2rem 0; align-items: flex-start; }
.case-number { font-family: 'Space Grotesk', sans-serif; font-weight: 700; font-size: clamp(60px, 10vw, 100px); color: #e5e5e5; line-height: 1; flex-shrink: 0; }
.case-content { flex: 1; padding-top: 0.5rem; }
.case-title { font-family: 'Space Grotesk', sans-serif; font-weight: 700; font-size: 1.2rem; margin-bottom: 0.5rem; display: flex; align-items: center; gap: 0.5rem; }
.red-square { width: 8px; height: 8px; background: #dc2626; flex-shrink: 0; }
.case-desc { font-size: 0.8rem; color: #737373; }
.divider { border: none; border-top: 1px solid #d4d4d4; }
.detail { max-width: 700px; margin: 0 auto; padding: 3rem 2rem; }
.detail-block { border-left: 3px solid #dc2626; padding-left: 1.5rem; }
.detail-heading { font-family: 'Space Grotesk', sans-serif; font-weight: 700; font-size: 1.5rem; margin-bottom: 0.5rem; }
.detail-text { font-size: 0.85rem; color: #737373; }
.index-section { max-width: 700px; margin: 0 auto; padding: 0 2rem 4rem; }
.index-title { font-family: 'IBM Plex Mono', monospace; font-size: 0.7rem; letter-spacing: 0.15em; text-transform: uppercase; color: #737373; margin: 2rem 0 1rem; }
.index-list { display: flex; flex-direction: column; gap: 0.4rem; }
.index-item { font-family: 'IBM Plex Mono', monospace; font-size: 0.75rem; color: #111111; display: flex; align-items: center; gap: 0.5rem; }
.fade-in { opacity: 0; transform: translateY(12px); transition: opacity 0.5s ease, transform 0.5s ease; }
.fade-in.visible { opacity: 1; transform: translateY(0); }